Samsung YP-U5 Service Manual page 27

Troubleshooting
4-1-7 When it does not charge
Faulty charging
Does the PC
recognize the MP3 player when it is
connected to the PC?
Yes
After replacing the battery,
is it charged correctly?
No
Replace the board
(Detailed inspection is required.)
4-14
No
Is it recognized as
a recovery update device?
Yes
Replace the battery and check it
After recovery update, check if it is
charged correctly.
Yes
No
Repair the connection to the PC
and check it again.
(See "Faulty connection to PC")
again.
Samsung Electronics